82841887 has 2 divisors, whose sum is σ = 82841888. Its totient is φ = 82841886.

The previous prime is 82841879. The next prime is 82841903. The reversal of 82841887 is 78814828.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82841887 - 2³ = 82841879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82841807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41420943 + 41420944.

It is an arithmetic number, because the mean of its divisors is an integer number (41420944).

Almost surely, 2^82841887 is an apocalyptic number.

82841887 is a deficient number, since it is larger than the sum of its proper divisors (1).

82841887 is an equidigital number, since it uses as much as digits as its factorization.

82841887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 229376, while the sum is 46.

The square root of 82841887 is about 9101.7518643391. The cubic root of 82841887 is about 435.9299030900.

The spelling of 82841887 in words is "eighty-two million, eight hundred forty-one thousand, eight hundred eighty-seven".